Siddhgiri Logo

Stainless Steel 316 Round Bars

Bright, black, threaded & precision ground stainless steel 316 round bars for marine & chemical applications. Superior corrosion resistance, ready stock and custom cut lengths.

Stainless Steel 316 Round Bar Supplier & Exporter

Siddhgiri Overseas is a trusted Stainless Steel 316 Round Bar Supplier & Exporter, offering premium-quality bars manufactured to ASTM A276, ASTM A479, and other international standards. Our SS 316 Round Bars are engineered for applications that demand superior corrosion resistance, high strength, and long-term reliability in challenging industrial environments.

We supply Stainless Steel 316 Round Bars in a wide range of diameters, finishes, and supply conditions, including bright bars, black bars, threaded bars, precision ground bars, pump shaft quality bars, and half round bars. Standard stock and custom cut lengths are available to support machining, fabrication, marine, chemical, and heavy engineering projects.

With ready inventory, certified materials, and reliable export capabilities, Siddhgiri Overseas supplies SS 316 Round Bars across India, UAE, Saudi Arabia, Qatar, Kuwait, Oman, South Africa, and other international markets. Every order is backed by competitive pricing, fast dispatch, complete material traceability, and responsive technical support.

Request a Free Quote
Stainless Steel 316 Round Bars Supplier

Why Choose Stainless Steel 316 Round Bars?

Stainless Steel 316 Round Bars are the preferred choice for applications exposed to moisture, chlorides, chemicals, and harsh industrial environments. The addition of molybdenum enhances their corrosion resistance, making them suitable for industries where standard stainless steel grades may not provide sufficient long-term protection.

The superior corrosion resistance, high strength, and excellent fabrication properties of Stainless Steel 316 Round Bars make them the preferred choice for industries operating in aggressive, high-moisture, and chemically demanding environments. Their ability to maintain performance under harsh service conditions makes them suitable for both standard and critical engineering applications.

Why Stainless Steel 316 Round Bars Are the Preferred Choice

Superior Corrosion Resistance

SS 316 Round Bars offer excellent resistance to rust, pitting, and crevice corrosion, making them ideal for demanding industrial environments with continuous exposure to moisture and aggressive chemicals.

Excellent Performance in Marine & Coastal Environments

The molybdenum content improves resistance to chloride attack, allowing Stainless Steel 316 Round Bars to perform reliably in seawater, offshore structures, shipbuilding, and coastal installations.

High Strength with Excellent Fabrication Properties

SS 316 Round Bars combine good mechanical strength with excellent weldability, machinability, and formability, making them suitable for both precision machining and heavy fabrication.

Reliable in Chemical & Process Industries

These round bars are widely used in chemical processing, pharmaceutical manufacturing, food processing, and oil & gas industries where resistance to corrosive media is critical for long service life.

Available in Multiple Sizes & Finishes

Siddhgiri Overseas supplies Stainless Steel 316 Round Bars in bright, black, threaded, precision ground, pump shaft quality, and custom-machined finishes to meet diverse industrial requirements.

Stainless Steel 316 Round Bar Specifications

Siddhgiri Overseas supplies Stainless Steel 316 Round Bars in a comprehensive range of sizes, finishes, and supply conditions to meet the requirements of marine engineering, chemical processing, food manufacturing, and precision engineering industries. Our SS 316 Round Bars are manufactured to international standards to ensure consistent quality, dimensional accuracy, and dependable performance.

Specification Details
Product Stainless Steel 316 Round Bar
Standards ASTM A276, ASTM A479
Material Grade SS 316 / UNS S31600 / WNR 1.4401 / SUS 316
Round Bar Size 5 mm – 300 mm
Square Bar Size 12 mm – 45 mm
Flat Bar Size 3 mm – 800 mm
Hex Bar Size 4 mm – 101.6 mm
Length 1 – 6 Meters or Custom Cut Lengths
Tolerance K9–K12 & H8–H11
Surface Finish Black, Bright Polished, BA Finish, Matt Finish, No.4 Finish, Rough Turned
Supply Condition Annealed, Hardened & Tempered, Severe Cold Worked
Value Added Services Precision Grinding, Cutting, Shearing, Chemical Milling, Pickling

Mechanical Properties & Equivalent Grades of SS 316 Round Bars

Stainless Steel 316 Round Bars are engineered to deliver an excellent balance of strength, toughness, and corrosion resistance. Their mechanical properties make them a preferred material for marine, chemical processing, pharmaceutical, and heavy engineering applications where long-term performance is essential.

Mechanical Properties of SS 316 Round Bars

Property Value
Material Grade SS 316 / UNS S31600
Density 8.0 g/cm³
Melting Point 1454°C (2650°F)
Tensile Strength 515 MPa (75,000 Psi)
Yield Strength (0.2% Offset) 205 MPa (30,000 Psi)
Elongation 40%
Hardness 217 Brinell

Equivalent Grades of SS 316 Round Bars

Standard Grade Designation
UNS S31600
Werkstoff No. 1.4401
EN X5CrNiMo17-12-2 / X3CrNiMo17-13-3
JIS SUS 316
BS 316S31 / 316S33
AFNOR Z7CND17-11-02

What These Properties Mean for Your Application

  • High Tensile Strength with Good Ductility – The 515 MPa tensile strength combined with 40% elongation ensures strong, flexible material performance suitable for demanding applications.
  • Superior Hardness Rating – The 217 Brinell hardness indicates excellent structural integrity and resistance to wear, making SS 316 suitable for high-stress environments.
  • Elevated Melting Point – At 1454°C, SS 316 maintains excellent performance at higher temperatures, ideal for heat exchangers and process equipment.
  • Molybdenum Advantage – The addition of molybdenum enhances pitting and crevice corrosion resistance, particularly in chloride-rich environments.

Available Types of Stainless Steel 316 Round Bars

Siddhgiri Overseas supplies Stainless Steel 316 Round Bars in multiple forms to meet the diverse requirements of machining, fabrication, marine engineering, chemical processing, and industrial manufacturing. Each type is manufactured to deliver reliable performance while meeting the dimensional and quality standards expected for critical applications.

SS 316 Round Bar

The most widely used product for shafts, fasteners, structural components, machine parts, and general engineering applications where excellent corrosion resistance and mechanical strength are required.

SS 316 Bright Bar

Manufactured with a smooth surface finish and precise dimensional tolerances, bright bars are ideal for CNC machining, precision engineering, hydraulic components, and high-accuracy industrial applications.

SS 316 Black Bar

Hot rolled with a mill finish, black bars are commonly used in heavy fabrication, structural engineering, forged components, and applications that require further machining or heat treatment.

SS 316 Threaded Bar

Designed for fastening, anchoring, and structural support systems, threaded bars provide dependable performance in construction, marine installations, chemical plants, and industrial equipment.

SS 316 Precision Ground Bar

Precision ground bars offer superior straightness, dimensional accuracy, and surface quality, making them suitable for bearings, pump shafts, valves, hydraulic systems, and rotating equipment.

SS 316 Pump Shaft Quality Bar

Manufactured for demanding pump and motor applications, these bars provide excellent corrosion resistance, high strength, and consistent performance in marine, chemical, and fluid handling systems.

SS 316 Half Round Bar

Commonly used for architectural fabrication, framework, support structures, and custom engineering projects where both functionality and appearance are important.

SS 316 Bearing Quality Bar

Produced with enhanced dimensional consistency and material integrity, these bars are suitable for precision bearings, high-performance machinery, and critical mechanical assemblies where reliable performance is essential.

Applications of Stainless Steel 316 Round Bars

The superior corrosion resistance, high strength, and excellent fabrication properties of Stainless Steel 316 Round Bars make them the preferred choice for industries operating in aggressive, high-moisture, and chemically demanding environments. Their ability to maintain performance under harsh service conditions makes them suitable for both standard and critical engineering applications.

Marine & Offshore Engineering

SS 316 Round Bars are extensively used in shipbuilding, offshore platforms, dock equipment, propeller shafts, and coastal infrastructure where continuous exposure to saltwater demands exceptional resistance to pitting and chloride corrosion.

Chemical Processing Plants

Ideal for manufacturing reactors, pressure vessels, agitators, pipelines, and processing equipment that handle corrosive chemicals, acids, alkalis, and industrial solvents.

Pharmaceutical & Biotechnology Industry

Used for hygienic processing equipment, storage vessels, mixing systems, and precision-machined components where corrosion resistance, cleanliness, and product purity are essential.

Food & Beverage Processing Equipment

Suitable for food processing machinery, conveyors, storage tanks, dairy equipment, and production lines that require durable, corrosion-resistant materials capable of meeting hygienic operating standards.

Oil & Gas Industry

Frequently specified for valves, pump shafts, manifolds, instrumentation components, and offshore production equipment that operate in corrosive and high-pressure environments.

Pumps, Valves & Fluid Handling Systems

The combination of excellent corrosion resistance and mechanical strength makes SS 316 Round Bars ideal for pump shafts, valve stems, impellers, hydraulic systems, and precision fluid handling equipment.

Heat Exchangers & Process Equipment

Widely used in heat exchangers, condensers, evaporators, and industrial processing systems where resistance to elevated temperatures and corrosive media is essential for long service life.

Heavy Engineering & Industrial Machinery

Used in precision-engineered components, machine shafts, structural assemblies, rotating equipment, and custom industrial machinery that require dependable performance under demanding operating conditions.

Stainless Steel 316 Round Bar vs Stainless Steel 304 Round Bar

Both Stainless Steel 316 Round Bars and Stainless Steel 304 Round Bars are widely used across engineering, fabrication, and industrial applications. While both grades offer excellent strength and corrosion resistance, SS 316 contains molybdenum, which provides significantly better protection against chlorides, saltwater, and aggressive chemicals. Choosing the right grade depends on the service environment, performance requirements, and project budget.

Feature SS 316 Round Bar SS 304 Round Bar
Composition 16–18% Chromium, 10–14% Nickel, 2–3% Molybdenum 18–20% Chromium, 8–11% Nickel
Corrosion Resistance Excellent resistance to chlorides, pitting, and crevice corrosion Excellent for general industrial and atmospheric environments
Marine Performance Highly suitable for marine and offshore applications Limited performance in chloride-rich environments
Chemical Resistance Excellent resistance to acids, alkalis, and industrial chemicals Good resistance to mild chemicals and common industrial media
Mechanical Strength High strength with excellent durability High strength with good overall performance
Weldability & Fabrication Excellent Excellent
Typical Applications Marine, chemical processing, pharmaceutical, oil & gas, desalination Food processing, construction, architectural, automotive, general engineering
Cost Higher due to molybdenum content More economical for general-purpose applications

For applications exposed to seawater, coastal climates, aggressive chemicals, or corrosive process media, Stainless Steel 316 Round Bars provide superior long-term performance and lower maintenance costs. Their enhanced corrosion resistance helps extend equipment life and reduce replacement frequency in demanding environments.

For general fabrication, structural engineering, food processing, and indoor industrial applications, Stainless Steel 304 Round Bars remain a cost-effective solution with excellent strength and corrosion resistance. Selecting the appropriate grade based on the operating environment ensures the best balance between performance, durability, and overall project cost.

Why Choose Siddhgiri Overseas for Stainless Steel 316 Round Bars?

Siddhgiri Overseas is a trusted Stainless Steel 316 Round Bar Supplier & Exporter, supplying certified SS 316 Round Bars in multiple sizes and finishes for marine, chemical, pharmaceutical, food processing, and heavy engineering applications. Every bar is manufactured to international standards to ensure consistent quality and reliable performance.

Ready Stock for Immediate Supply

We maintain a comprehensive inventory of SS 316 Round Bars in various sizes, diameters, finishes, and supply conditions, enabling us to fulfill urgent requirements, repeat orders, and large-scale project demands with shorter lead times.

Certified Quality with Full Traceability

Every order is supplied in accordance with ASTM A276 and ASTM A479 standards and is accompanied by EN 10204 3.1/3.2 Test Certificates, Mill Test Certificates (MTC), and Third-Party Inspection Reports to ensure complete material traceability and compliance.

Custom Cut Lengths & Precision Processing

Along with standard stock sizes, we provide custom cutting, machining, precision grinding, shearing, chemical milling, and pickling services to help reduce fabrication time, material wastage, and overall production costs.

Safe Export Packaging & Worldwide Delivery

Our products are securely packed using export-grade wooden pallets, crates, and protective wrapping to ensure safe transportation. We regularly supply customers across India, UAE, Saudi Arabia, Qatar, Kuwait, Oman, South Africa, and other international markets.

Dedicated Support from Enquiry to Delivery

From selecting the right material to arranging dispatch, our experienced sales team provides prompt quotations, technical guidance, and responsive customer support to make your procurement process simple and efficient.

Competitive Pricing & Flexible Supply

We offer competitive pricing on SS 316 Round Bars combined with flexible payment terms and supply arrangements to meet the budget and scheduling needs of various project types and order quantities.

Request a Quote for Stainless Steel 316 Round Bars

Looking for a dependable Stainless Steel 316 Round Bar Supplier for your next project? Siddhgiri Overseas supplies premium-quality SS 316 Round Bars in multiple sizes, finishes, and specifications with prompt delivery across India, UAE, Saudi Arabia, Qatar, Kuwait, Oman, South Africa, and other global markets. Simply share your required diameter, length, finish, quantity, and delivery location with our team to receive a competitive quotation.